Surf Prediction Market API
Track prediction markets on Polymarket and Kalshi. Browse events and markets, view live prices and odds, analyze trading volume and open interest history, inspect individual trades, and discover top-ranked markets by activity.
Surf Prediction Market API is one of 16 APIs that Surf publishes on the APIs.io network, described by a machine-readable OpenAPI specification.
Tagged areas include Prediction Market. The published artifact set on APIs.io includes an OpenAPI specification and API documentation.
This API exposes 23 operations across 23 paths, and defines 59 schemas. It is described by OpenAPI 3.2.0, at version sha-80d3407.
Requests are made against a single base URL, /.
Metadata
The identity and technical contract details declared by the specification.
Authentication & Security 3
Surf Prediction Market API declares
3 security schemes
for authenticating requests.
It accepts HTTP bearer tokens (JWT) (AccessToken).
An API key is passed in the header as X-Admin-Token (AdminToken).
An API key is passed in the header as X-Internal-Key (InternalKey).
Paths & Operations 23
Across 23 paths, the API surfaces 23 operations — 23 GET. Each is listed below with its method, path, parameters, and response codes.
Track prediction markets on Polymarket and Kalshi. Browse events and markets, view live prices and odds, analyze trading volume and open interest history, inspect individual trade…
Schemas 59
The contract defines 59 schemas that model the data the API accepts and returns. The most detailed are PolymarketMarketItem (25 properties), DiscoverMarketItem (24 properties), KalshiMarketItem (16 properties), MomentumItem (14 properties). Each schema is shown below with its type and property counts.
Specification
The full machine-readable OpenAPI contract behind this narrative.
Source
More from Surf 12
Other APIs Surf publishes across the network.
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